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CHEMISTRY AND CHEMICAL ENGINEERING

CHEMISTRY AND CHEMICAL ENGINEERING

Abstract

Results of researches on reception of the cleared solutions and salts of phosphates of sodium from extraction phosphoric acid on the basis of phosphorites Central Kyzylkum are resulted. Optimum norms of a technological mode are established. It is shown, that neutralisation defluorination and desulfonation extraction phosphoric acid a sodium carbonate it is possible to receive the solutions containing less of 0,004 % of fluorine and to allocate salts mono and disodiumphosphate, suitable for reception of sodium polyphosphates.

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